baber/WOPTO huggingface dataset:
Patent GB-1456570-A (GB)
Title: Water trap assembly
IPC: A61M16/00
Filed: 1974-08-20
Abstract: 1456570 Water trap for breathing apparatus F M BIRD 20 Aug 1974 [27 Aug 1973] 36583/74 Heading A5T [Also in Divisions F2 and F4] A water trap assembly for collecting a liquid which has precipitated in a conduit of a breathing system comprises a receptacle 11, a combined cover assembly and coupling 12 having a T-shaped coupling and a cover 21, and a valve having a valve member 52 and a valve seat 51 formed at the junction between portions 32 and 34 of the flow passage into the receptacle, whereby with the receptacle 11 disengaged from the cover 21 outflow of gas and liquid from the conduit (not shown) is prevented by the valve member 52 being biassed into engagement with seat 51 by a spring, and when the receptacle is connected to the cover 21 a planar lower surface of the stem of the valve member 52 engages the bottom of receptacle 11 to open the valve and allow liquid to drain into receptacle 11.
Patent GB-1129913-A (GB)
Title: Improvements in or relating to magneto-hydrodynamic generators
IPC: H02K44/18
Filed: 1966-08-17
Abstract: 1,129,913. MHD power plant. E. BROCHER. 17 Aug., 1966 [26 Aug., 1965], No. 36731/66. Heading H2A. An MHD generator installation comprises a pair of tubes 1, 2 which are connected at one end to reservoirs 5, 6 containing the working fluid and at the other end to a rotary distributer which cyclically controls the admittance and discharge of a heated high-pressure auxiliary fluid alternately into tubes 1, 2. Each tube is provided, at the end adjacent the reservoirs, with a pair of confronting electrodes 14, 15: 16, 17 and a transverse magnetic field B 1 , B 2 , and the electrodes are connected so that an A.C. output is obtained. The auxiliary fluid is passed through a two-stage compressor 22, 23 with intercooler 24, a recuperator 27 and heat source 25 to the rotary distributer where, as shown, it produces a shock-wave in tube 1. When the distributer has rotated through 180 degrees the auxiliary fluid is exhausted from tube 1 and passes through turbine 31 which drives compressor 22, 23 and is then cooled in recuperator 27 and heat exchanger 34. A motor 32 supplies the additional energy necessary for driving the compressor.
Patent GB-1244894-A (GB)
Title: Improvements in or relating to tobacco pipes
Inventor: RECHT FRIEDEL
IPC: A24F7/02
Filed: 1969-07-22
Abstract: 1,244,894. Tobacco pipes. F. RECHT. 22 July, 1969 [6 Aug., 1968], No. 36742/69. Heading A2M.  The spigot 10 of a tobacco pipe mouthpiece 9 has a conical end portion 11 with a slot 12 formed therein, which slot extends substantially vertically when the pipe mouthpiece is in its normal position of use and is preferably substantially V-shaped.
Patent GB-1223472-A (GB)
Title: Photographic compositions
Inventor: MARSHALL AKEMI SAJI
IPC: G03C5/60
Filed: 1968-08-01
Abstract: 1,223,472. Photographic vesicular materials. EASTMAN KODAK CO. Aug. 1, 1968 [Aug. 2, 1967], No.36767/68. Heading G2C. A photographic vesicular composition comprises a thermoplastic polymer in which is uniformly dispersed a 2-azido-1, 4-quinone. Specified azido-quinones are those of formula wherein n is O or 1, R is hydrogen, halogen or azido, R 1  to R 4  are hydrogen, alkyl, alkoxy, aryl, aryloxy, arylthio, nitro, sulpho or alkali metal sulphonate or when n is O, R 1  and R 2  may also be halogen or azido provided that not more than one of R, R 1  and R 2  is an azido group. The thermoplastic polymer may preferably be gelatin, vinylidene chloride acrylonitride copolymer, polymethylmethacrylate or vinylidene chloride/ acrylonitride/acrylic acid terpolymer. In the examples, the composition is created in a polyester support, imagewise exposed to ultraviolet or blue light and developed by heating to produce a vesicular image.
Patent GB-368819-A (GB)
Title: Improvements in coin-freed mechanism
IPC: G07F11/24
Filed: 1930-12-09
Abstract: 368,819. Coin-freed article delivery apparatus. DEAN, H., 6, Postern Place, Nottingham. Dec. 9, 1930, No. 37045. [Class 27.] Articles stored in piles ; coin action, mechanical-connection and multiple-coin.-The bottom article of a pile is ejected by a recessed semirotary member M, Figs. 3 and 6, which, with an attached locking abutment A, is loosely mounted on a shaft 13 having a turning knob B2. A spring-controlled pivoted detent C, Fig. 1, normally prevents rotation of the abutment A, which has a hub A<1> provided with a cross slot K. Two coins J, J<1> are inserted. The first J enters and fills the slot K so that the second J<1> rests on the hub A<1>. These coins are engaged and moved by a plate D<1>, Figs. 2 and 3, extending laterally from a semi-circular member D fixed to the shaft B. The coin J<1> raises the detent C by engaging a pin C<2> thereon, and the forward bottom edge of the member D engages a pin A<3> on the abutment A to rock this and the ejecting-member M, through an angle of about 100‹, to deliver an article. A pin D<2> on the member D engages the end of a lever F controlled by a spring F2. When the knob B<2> is released, the lever F<2> returns the member D to its initial position, and a curved rear bottom edge of the member D engages a pin A<4> on the abutment A to return it. A pawl C<4> engaging teeth A<2> on the abutment A ensures a full forward and return movement of the delivery member. In a modification, instead of a slot K in the hub A<1>, a slot is formed in the lateral plate D<1> to take the first coin inserted, so rendering necessary the insertion of a second coin to free the mechanism.
Patent GB-964684-A (GB)
Title: Improvements in piston rings and in piston-and-ring assemblies for internal combustion engines
Inventor: CROSS ROLAND CLAUDE
IPC: F16J9/20
Filed: 1962-10-01
Abstract: 964,684. Piston rings. CROSS MANUFACTURING CO. Ltd. July 2, 1963 [Oct. 1, 1962], No. 37069/62. Heading F2T. Piston rings 15 have a cross-section which is a segment of a circle, preferably substantially semi-circular, with the straight line of the segment facing outwardly for contact with the cylinder bore. The rings are housed in grooves 11 in the piston 12 of corresponding segmental cross-section, the depth of the groove being less than the maximum thickness of the ring. The rings may be planar or helical and in the latter case may form a multi-coil helix.
Patent GB-317065-A (GB)
Title: Improvements in seamless tubes
IPC: F16L9/02
Filed: 1928-12-17
Abstract: 317,065. Mannesmannr÷hren-Werke. Aug. 10, 1928, [Convention date]. Metal tubes.-A seamless tube, more particularly for use in boilers, is manufactured from puddled iron by the usual methods at present employed for the production of seamless tubes. Reference has been directed by the Comptroller to Specification 22992/04.
Patent GB-812930-A (GB)
Title: Improvements in and relating to a method and apparatus for the deposition of metallic coats on rovings of glass fiber
IPC: C23C16/54
Filed: 1955-12-30
Abstract: 812,930. Coating with metals. COMMONWEALTH ENGINEERING CO. OF OHIO. Dec 30, 1955, No. 37365/55. Class 82(2) Rovings of glass fibres are heated to the decomposition temperature of a heat-decomposable, gaseous metal-bearing compound and vigorously vibrated in an atmosphere of such compound to attain a uniform deposition of the metal. Drawing speeds of 1-300 ft./min. and a vibration frequency of 520-1750 cycles per minute may be used. The plating gas may be nickel carbonyl, copper acetyl acetonate, molybdenum carbonyl, chromium hexacarbonyl or a metal hydride. Sub-atmospheric or atmospheric plating pressures may be used. In the form shown, carbon dioxide gas from cylinder 1 passes via a carburetter 7 containing nickel carbonyl to a T-junction 13 of a chamber 14 with an enlarged portion 17 containing an eccentric shaft 19 and an aperture 29. A glass plating chamber 15 has an extension 33 with a cooling means 35 which isolates a heater 37 from the chamber 15. Connected to extension 33 is a trap 43 maintained by dry ice 45 at about -20‹C. to condense nickel carbonyl. The trap 43 is connected to a pump 49 for the expulsion of gases to a burner which may be a resistance heater over which the uncondensed material flows, and to a pump 57 for the return of recovered carbonyl to the carburetter 7. It it is desired to replace the nickel carbonyl by a compound which is solid at room temperature the carburettor 7 may be surrounded by an oil bath, stirred and heated, with a themostatic control (Fig. 2, not shown). To ensure no leakage of carbonyl gas from chamber 14, carbon dioxide is passed into it from cylinder 27. The eccentric 19 causes the roving to vibrate and open (Fig. 4) to expose each filament to the plating gas. The plated roving then compacts (Fig. 5). It may be desirable to keep the roving temperature low, such that the drop in temperature whilst traversing chamber 15, is sufficient to prevent plating at the left end of the chamber. The opening 63 of extension 33 may initially have a diameter only slightly greater than that of the roving 38.
Patent GB-964093-A (GB)
Title: An automatic screw cutting machine
IPC: B23G1/04
Filed: 1960-10-31
Abstract: 964,093. Screwing machines. Y. KITANO. Oct. 31, 1960 [Oct. 31, 1959], No. 37378/60. Headings B3B, B3N and B3T. [Also in Division F2] A high-speed automatic screw-cutting machine comprises a shaft 2 having a chuck 2a for the workpiece driven by an electric motor 1, the drive being transmitted to a cam-shaft 13 by a worm gear 2b engageable by a clutch 6b, gears 3a-3g, gears 8a, 11a or 8b, 11b, and change wheels 12a-12d. A cam 14 on shaft 13 is engageable with the drive by a ballclutch 18 carried by a spring-urged rod 16 passing through shaft 13 which is actuated by a solenoid 17. The cam has a number of grooves of different leads so that when a follower 15a secured to a ram 15 carrying a tool head 15b, is engaged with one of the grooves, the head will be reciprocated and a tool 24 in the tool head will screw the workpiece, the pitch of the thread being produced and the length of same being governed by the combination of the cam and the drive gears. Tool head 15b comprises a shaft 26, Fig. 4, having a pawl 25 attached thereto which engages a ratchet wheel 23 rotatable on the shaft, whose teeth are of increasing length. A second ratchet wheel 20 connected to wheel 23 is rotated by a fixed pawl 21, Fig. 2, on each reciprocation of the ram so that wheel 23 is rotated a distance equal to one tooth at each reciprocation, and pawl 23, along with tool 24, is moved downwardly to progressively increase the cut. Pawl 25 is held against wheel 23 by a spring 30, and is moved downwardly to disengage when oil is supplied to a piston 28 in the head, whereupon ratchet wheels 20, 23 are returned to their original position by a spring 29. The workpieces are supplied from a hopper (not shown) to a guide rail 31, Fig. 5, and thence to chuck 2a, and they are then pushed into the chuck by a feed lever 32. In operation, oil is supplied to piston 28, Fig. 4, shaft 26 lowers pawl 25 to disengage it from ratchet wheel 23 which is then moved to its starting position by a spring 29. The pressure is removed and shaft 26 is moved upwardly by a spring 30 to re-engage pawl 25 and wheel 23. With a workpiece in chuck 2a, shaft 2 is rotated and a cutting tool 33, Fig. 5, turns the outside diameter of the work. Rod 16, Fig. 2, is simultaneously pulled to the right by solenoid 17 to disengage clutch 18 and cam 14 stops. At the completion of the turning operation solenoid 17 is de-energized, rod 16 is moved to the left to engage clutch 18 and cam 14 is rotated to reciprocate ram 15 and carry out the screwing operation. The sequence is repeated automatically and successively by the use of solenoids and relays or the sequence may be carried out manually.
Patent GB-909277-A (GB)
Title: Improvements in or relating to cutlery
Inventor: MULLER WILHELM
IPC: B26B3/03
Filed: 1959-11-04
Abstract: 909,277. Knives. RICHARDS BROS. & SONS Ltd. Feb. 3, 1961 [Nov. 4, 1959], No. 37455/59. Class 30. The blade 10 of a bread, meat, &c. knife is hollow ground at 11 on both surfaces and has a wavy cutting edge made up of convexly curved edge portions 12, a hollow ground marginal portion 14 of constant width extending round the convexly curved portions. In modifications the cutting edge is sinuous, the marginal portion 14 is a flat bevel and the hollow grinding 11 is on only that surface of the blade which has a ground marginal portion.
Patent GB-869759-A (GB)
Title: Process and apparatus for making and filling flexible tubes to form sterile packages
Inventor: LUTHER DR JUSTUS
IPC: B65B9/20
Filed: 1957-12-02
Abstract: 869,759. Extrusion machines. ALLGAUER ALPENMILCH A.G. Dec. 2, 1957 [Dec. 1, 1956], No. 37528/57. Class 87(2). [Also in Groups VI and XVII] Packaging apparatus of the kind where a tube is formed about a nozzle, filled with liquid from the nozzle and transversely sealed to form individual packets has means whereby the nozzle and tube are sterilized at the beginning of a run. A tube is formed from a paper web 16 about concentric tubes, the outer of which, 1, conducts heated plastic material to an annular extruding orifice 9 from which it emerges to form a plastic lining for the tube. At the beginning of the run the tube is held flattened by rollers 11 on arms 10, the latter being shaped to embrace the tube between the extruder and rollers, so that sterilizing steam passing down the liquid filling pipe 2 via a valve 5 and escaping via a pipe 13 and valve 15, may build up to a pressure of about 5-10 atmospheres. Sterilization continues until the emerging tube reaches the jaws of known welding apparatus (not shown) and steam is cut off and sterile air or gas admitted via a valve 14 to space 12. Liquid e.g. milk is then introduced to compress the gas above it and the arms 10 are opened, the tube 2 withdrawing as the milk level rises. The level of milk in the tube may be regulated by the amount of gas introduced into it.
Patent GB-871274-A (GB)
Title: Variable-shape jet propulsion nozzle
Inventor: LOGEROT RENE PAUL
IPC: F02K1/12
Filed: 1959-11-06
Abstract: 871,274. Jet propulsion nozzles. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Nov. 6, 1959 [Nov. 12, 1958], No. 37721/59. Class 110 (3). A jet propulsion nozzle comprises two independent groups of pivoted flaps having separate controls; on the one hand an upstream group pivoted at their upstream ends and forming a convergent portion and on the other hand, a downstream group pivoted at their downstream ends and forming a divergent portion of the nozzle and also capable of being retracted laterally so as to leave only the upstream flaps operative. The jet propulsion nozzle comprises a group of upstream flaps 1 pivoted at 2 to the jet pipe 3 and a group of downstream flaps 4 pivoted at 5 to the upstream end of a fixed divergent portion 19. The flaps 1 have free downstream ends and the flaps 4 free upstream ends. The flaps form a convergent-divergent nozzle. A channel 8 for the aspiration of air by ejector effect may be provided. The flaps 1 are actuated.by axial movement of a ring 10 and the flaps 4 by axial movement of a ring 13. The rings 10, 13 are operated by jacks independently controlled. The ring 10 is controlled by means based substantially on engine rotation speed and the ring 13 by means responsive to, for example, Mach number, the pressure upstream of the discharge nozzle or the external pressure.
Patent GB-1513115-A (GB)
Title: Method of and apparatus for dispensing a measured quantity of down
IPC: G01F13/00
Filed: 1976-09-11
Abstract: 1513115 Down metering apparatus FROSTLINE Inc 11 Sept 1976 37731/76 Heading B8N An apparatus for metering down for filling packets 12 comprises a perforated cylinder 38 into which down is sucked by vacuum applied outside the cylinder, a hopper 10 from which the down is supplied and a plunger 36 to eject the down after removal of the vacuum. The cylinder is closed by a gate 60 which is opened after the cylinder has been filled. An air jet 112 is applied after the plunger has been advanced to blow down back to the hopper. A larger air jet 118 is used to remove stubborn down pads behind the plunger. The amount metered is variable by changing the vacuum, the time the vacuum is applied or by adjustment of a baffle 84 outside the cylinder.
Patent GB-957804-A (GB)
Title: Improvements in or relating to television receivers
IPC: H04N5/50
Filed: 1960-11-03
Abstract: 957,804. Radio receiver tuning indicator arrangements. PHILIPS ELECTRICAL INDUSTRIES Ltd. Nov. 3, 1960 [Nov. 6, 1959], No. 37820/60. Heading H3Q. A television receiver having a circuit arrangement for giving a tuning indication on the picture tube is provided with a frequency discriminator which supplies a control signal, dependent on the tuning of the receiver, to vary the phase or amplitude of a deflection oscillation, and has a switching signal derived from the frame deflection generator arranged to switch the discriminator. Sound or vision I.F. carrier is applied to terminal 1, and fed via valve 3 to produce a D.C. control signal from the output of the frequency discriminator D which is fed to the line phase discriminator 15 to effect a phase variation between the line synchronization signal 16 and the line deflection oscillation, so that the picture will be given a shift the magnitude of which varies in accordance with the detuning. In order to shift successive parts of the picture differently, a square gating signal is derived from the frame deflection generator by means of a relaxation circuit 22, and is applied to the grid of valve 3 to switch it alternately on and off. The circuit may be, as shown, a multivibrator which divides the frame frequency by two, and provides a square wave which switches valve 3 on and off on alternate frames, or it may be a monostable circuit producing an output which has an unequal on/off ratio so that part of the picture only is displaced. In a second embodiment, Fig. 3 (not shown), the control signal is used to vary the phase of the frame deflection oscillation, and in a further embodiment, Fig. 4 (not shown), the control signal is used to vary the amplitude of the frame oscillation instead of its phase.
Patent GB-1406873-A (GB)
Title: Device for monitoring the level of liquid in reservoirs
IPC: G01F23/24
Filed: 1972-08-15
Abstract: 1406873 Monitoring liquid level ROBERT BOSCH GmbH 15 Aug 1972 [16 Aug 1971] 37967/72 Heading G1N A device for monitoring the level of liquid in a reservoir comprises a first thermistor 12 arranged outside the liquid to be monitored to provide a reference signal, a second thermistor 11 within the reservoir to provide a measuring signal and means for comparing said reference signal and said measuring signal, the first thermistor is arranged above the second in a tubular housing 10 having inlet and outlet and breather ports 17, 18. The thermistors are arranged in a bridge circuit with resistors 20, 22, the bridge imbalance signal being applied via differential amplifier 25 to actuate lamp 43. If the first thermistor 11 is surrounded by liquid the rate of cooling is different from that of the second thermistor 12 in the air whereby the potential or junction 45 drops below that at junction 47, thus the potential at input 24 of the amplifier is less than that at input 30, the output from the amplifier is negative, blocking transistor 41 and extinquishing lamp 43. When the liquid level drops so that both thermistors are in the air, junctions 44, 45 are at the same potential but the potential at junction 47 is lower due to diode 29 and resistors 26, 27 so that amplifier 25 produces a positive output signal enabling transistor 41 and turning on the lamp.
Patent GB-950889-A (GB)
Title: Improvements in or relating to the production of alkaline earth metals
Inventor: GIBSON ALLAN ROBERT
IPC: C25C3/02
Filed: 1961-10-25
Abstract: <PICT:0950889/C3/1> Calcium and other alkaline earth metals are made by fusion electrolysis using as electrolyte a molten mixture of CaCl2 and KCl to which calcium sulphide is added; the calcium produced forming an alloy with a molten copper cathode, the alloy flowing upwards to a vacuum distillation apparatus, where calcium is removed and the depleted copper is returned to the electrolytic cell.  A steel cup 24 is supported on an insulated spacer 25, mounted within an alumina brick container 22, which is filled to the level 32 with a eutectic mixture of 81% CaCl2 and 19% KCl maintained at 700-800  DEG C.  Calcium sulphide is admitted from a hopper 15 and screw conveyer 17 to maintain a concentration of about 4% in the electrolyte.  This decomposes by current from the graphite anode 27 at 7.5V. and forms an alloy with the molten copper kept at level 33. The apparatus is filled with argon or other inert gas.  In use, a lower layer of copper-calcium alloy containing 30% Ca is placed in the bottom of the cup, and as electrolysis proceeds an enriched alloy containing 40% Ca is formed and floats due to its lower specific gravity. This alloy is drawn up a pipe 4 which dips into the upper layer, into a vacuum still where the alloy flows over a plate heated to 900  DEG C. Calcium is vaporized and condensed and the depleted copper now containing about 30% of Ca returns to the bottom of the cup through pipe 3, from which it overflows weir 26 into the compartment below the pipe 4.  The upward and return pipes are kept full of molten metal by the vacuum still from which depleted copper of lower specific gravity returns to the cup.  Sulphur vapours are condensed in a condenser 13, the end of which is sealed with molten sulphur. Dimensions of pipes and pressures which are inter-related are given. Specification 494,702 is referred to.
Patent GB-906844-A (GB)
Title: Two-stroke internal combustion engines
IPC: F02B75/02
Filed: 1960-11-08
Abstract: 906,844. Crank chambers. USTAV PRO VYZKUM MOTOROVYCH VOZIDEL PRAHA. Nov. 8, 1960 [Nov. 13, 1959], No. 38312/60. Class 7(2) A two stroke vee engine housing comprises a crank-case separated by a wall 7, Fig. 2, from a scavenging air storage space which is divided by two lines of cylinder bores 9, Fig. 1, into three chambers 1, 2, 3, arranged longitudinally with respect to the crank-shaft axis and communicating with one another only by a fourth chamber 6 located transversely to the crank-shaft at one end of the housing.
Patent GB-856733-A (GB)
Title: High molecular weight copolymers of olefins and process for their preparation
IPC: C08F210/00
Filed: 1956-12-17
Abstract: Linear high molecular weight unbranched substantially amorphous copolymers of olefins of formula CH2 =CCHR (R = hydrogen or alkyl) excepting ethylene-propylene or ethylenebutene-1 copolymers and free of homopolymers are prepared by using a catalyst obtained by contacting a hydrocarbon-soluble compound of a metal of Group IVa, Va or VIa with an organo-metallic compound of a metal of Group Ia or II or of aluminium and which if used for polymerizing propylene or butene- 1 alone would produce a linear, essentially unbranched predominantly amorphous homopolymer thereof the proportions of monomers and other conditions of copolymerization being such as to yield linear, amorphous copolymers.  Specified organometallic compounds are aluminium alkyls containing alkyls with 4 or more carbon atoms e.g. triisobutyl and trihexyl aluminium.  Specified hydro carbon-soluble components are titanium and vanadium tetrachlorides and vanadium oxychloride.  The monomers may be fed to the reactor continuously in a constant molar ratio, and/or the catalyst may be fed continuously to the reaction mixture, so as to maintain a constant ratio.  Ethylene-pentene and propylene-pentene are preferred comonomers.  Specifications 810,023, 828,791, 56,736 and 856,737 are referred to.